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qed: Add dcbx app support for IEEE Selection Field.

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MFW now supports the Selection field for IEEE mode. Add driver changes to
use the newer MFW masks to read/write the port-id value.

Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sudarsana Reddy Kalluru 2016-08-08 21:57:42 -04:00 committed by David S. Miller
parent fb9ea8a9b7
commit 59bcb7972f
2 changed files with 112 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

124
drivers/net/ethernet/qlogic/qed/qed_dcbx.c
View File

@ -69,6 +69,17 @@ static bool qed_dcbx_app_port(u32 app_info_bitmap)
DCBX_APP_SF_PORT);
}
static bool qed_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
{
u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
/* Old MFW */
if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
return qed_dcbx_app_port(app_info_bitmap);
return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT);
}
static bool qed_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
bool ethtype;
@ -81,10 +92,17 @@ static bool qed_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
return !!(ethtype && (proto_id == QED_ETH_TYPE_DEFAULT));
}
static bool qed_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id)
static bool qed_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
return !!(qed_dcbx_app_port(app_info_bitmap) &&
proto_id == QED_TCP_PORT_ISCSI);
bool port;
if (ieee)
port = qed_dcbx_ieee_app_port(app_info_bitmap,
DCBX_APP_SF_IEEE_TCP_PORT);
else
port = qed_dcbx_app_port(app_info_bitmap);
return !!(port && (proto_id == QED_TCP_PORT_ISCSI));
}
static bool qed_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
@ -111,10 +129,17 @@ static bool qed_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
return !!(ethtype && (proto_id == QED_ETH_TYPE_ROCE));
}
static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id)
static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
return !!(qed_dcbx_app_port(app_info_bitmap) &&
proto_id == QED_UDP_PORT_TYPE_ROCE_V2);
bool port;
if (ieee)
port = qed_dcbx_ieee_app_port(app_info_bitmap,
DCBX_APP_SF_IEEE_UDP_PORT);
else
port = qed_dcbx_app_port(app_info_bitmap);
return !!(port && (proto_id == QED_UDP_PORT_TYPE_ROCE_V2));
}
static void
@ -199,11 +224,11 @@ qed_dcbx_get_app_protocol_type(struct qed_hwfn *p_hwfn,
*type = DCBX_PROTOCOL_FCOE;
} else if (qed_dcbx_roce_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ROCE;
} else if (qed_dcbx_iscsi_tlv(app_prio_bitmap, id)) {
} else if (qed_dcbx_iscsi_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ISCSI;
} else if (qed_dcbx_default_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ETH;
} else if (qed_dcbx_roce_v2_tlv(app_prio_bitmap, id)) {
} else if (qed_dcbx_roce_v2_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ROCE_V2;
} else {
*type = DCBX_MAX_PROTOCOL_TYPE;
@ -441,8 +466,39 @@ qed_dcbx_get_app_data(struct qed_hwfn *p_hwfn,
DCBX_APP_NUM_ENTRIES);
for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
entry = &p_params->app_entry[i];
entry->ethtype = !(QED_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_SF));
if (ieee) {
u8 sf_ieee;
u32 val;
sf_ieee = QED_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_SF_IEEE);
switch (sf_ieee) {
case DCBX_APP_SF_IEEE_RESERVED:
/* Old MFW */
val = QED_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_SF);
entry->sf_ieee = val ?
QED_DCBX_SF_IEEE_TCP_UDP_PORT :
QED_DCBX_SF_IEEE_ETHTYPE;
break;
case DCBX_APP_SF_IEEE_ETHTYPE:
entry->sf_ieee = QED_DCBX_SF_IEEE_ETHTYPE;
break;
case DCBX_APP_SF_IEEE_TCP_PORT:
entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_PORT;
break;
case DCBX_APP_SF_IEEE_UDP_PORT:
entry->sf_ieee = QED_DCBX_SF_IEEE_UDP_PORT;
break;
case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_UDP_PORT;
break;
}
} else {
entry->ethtype = !(QED_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_SF));
}
pri_map = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
entry->prio = ffs(pri_map) - 1;
entry->proto_id = QED_MFW_GET_FIELD(p_tbl[i].entry,
@ -981,7 +1037,7 @@ qed_dcbx_set_ets_data(struct qed_hwfn *p_hwfn,
static void
qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn,
struct dcbx_app_priority_feature *p_app,
struct qed_dcbx_params *p_params)
struct qed_dcbx_params *p_params, bool ieee)
{
u32 *entry;
int i;
@ -1002,12 +1058,36 @@ qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn,
for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
entry = &p_app->app_pri_tbl[i].entry;
*entry &= ~DCBX_APP_SF_MASK;
if (p_params->app_entry[i].ethtype)
*entry |= ((u32)DCBX_APP_SF_ETHTYPE <<
DCBX_APP_SF_SHIFT);
else
*entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_SHIFT);
if (ieee) {
*entry &= ~DCBX_APP_SF_IEEE_MASK;
switch (p_params->app_entry[i].sf_ieee) {
case QED_DCBX_SF_IEEE_ETHTYPE:
*entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
DCBX_APP_SF_IEEE_SHIFT);
break;
case QED_DCBX_SF_IEEE_TCP_PORT:
*entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
DCBX_APP_SF_IEEE_SHIFT);
break;
case QED_DCBX_SF_IEEE_UDP_PORT:
*entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
DCBX_APP_SF_IEEE_SHIFT);
break;
case QED_DCBX_SF_IEEE_TCP_UDP_PORT:
*entry |= ((u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
DCBX_APP_SF_IEEE_SHIFT);
break;
}
} else {
*entry &= ~DCBX_APP_SF_MASK;
if (p_params->app_entry[i].ethtype)
*entry |= ((u32)DCBX_APP_SF_ETHTYPE <<
DCBX_APP_SF_SHIFT);
else
*entry |= ((u32)DCBX_APP_SF_PORT <<
DCBX_APP_SF_SHIFT);
}
*entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
*entry |= ((u32)p_params->app_entry[i].proto_id <<
DCBX_APP_PROTOCOL_ID_SHIFT);
@ -1022,15 +1102,19 @@ qed_dcbx_set_local_params(struct qed_hwfn *p_hwfn,
struct dcbx_local_params *local_admin,
struct qed_dcbx_set *params)
{
bool ieee = false;
local_admin->flags = 0;
memcpy(&local_admin->features,
&p_hwfn->p_dcbx_info->operational.features,
sizeof(local_admin->features));
if (params->enabled)
if (params->enabled) {
local_admin->config = params->ver_num;
else
ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
} else {
local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
}
if (params->override_flags & QED_DCBX_OVERRIDE_PFC_CFG)
qed_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
@ -1042,7 +1126,7 @@ qed_dcbx_set_local_params(struct qed_hwfn *p_hwfn,
if (params->override_flags & QED_DCBX_OVERRIDE_APP_CFG)
qed_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
&params->config.params);
&params->config.params, ieee);
}
int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,

8
include/linux/qed/qed_if.h
View File

@ -70,8 +70,16 @@ struct qed_dbcx_pfc_params {
u8 max_tc;
};
enum qed_dcbx_sf_ieee_type {
QED_DCBX_SF_IEEE_ETHTYPE,
QED_DCBX_SF_IEEE_TCP_PORT,
QED_DCBX_SF_IEEE_UDP_PORT,
QED_DCBX_SF_IEEE_TCP_UDP_PORT
};
struct qed_app_entry {
bool ethtype;
enum qed_dcbx_sf_ieee_type sf_ieee;
bool enabled;
u8 prio;
u16 proto_id;